Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: macsec: Fixed the UAF bug related to realdev. A new macsec device was created, but there was no reference to realdev. This does not ensure that realdev is freed after the macsec device is removed. This will trigger the UAF bug...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before version 5.8. The lib/nlattr.c file allows attackers to cause a denial of service unbounded recursion through a nested Netlink policy with a back reference...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

A memory leak issue was discovered in the ctnetlinkcreateconntrack function within net/netfilter/nfconntracknetlink.c in the Linux kernel. This issue may allow a local attacker with CAPNETADMIN privileges to trigger a Denial-of-Service DoS attack due to a refcount overflow...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fixed an illegal access to rmbdesc during SMC-D connection dumping. A crash was detected when dumping SMC-D connections. This issue can be reproduced by performing the following steps: 1. Run the nginx/wrk test: smcrun...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: netlink: Fixed an issue where the kernel could be exposed after free operation in skbdatagramiter. The syzbot reported the following issue with uninitialized value access 1: The netlinktofullskb function creates a new skb and...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021586)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021586 advisory. In the Linux kernel, the following vulnerability has been resolved: netlink: prevent potential spectre v1 gadgets Most netlink attributes are parsed and validated...

kernel: xfrm: Duplicate SPI Handling

In the Linux kernel, the following vulnerability has been resolved: xfrm: Duplicate SPI Handling The issue originates when Strongswan initiates an XFRMMSGALLOCSPI Netlink message, which triggers the kernel function xfrmallocspi. This function is expected to ensure uniqueness of the Security...

SUSE CVE-2026-43481

In the Linux kernel, the following vulnerability has been resolved: net-shapers: don't free reply skb after genlmsgreply genlmsgreply hands the reply skb to netlink, and netlinkunicast consumes it on all return paths, whether the skb is queued successfully or freed on an error path...

EUVD-2026-30017

In the Linux kernel, the following vulnerability has been resolved: net-shapers: don't free reply skb after genlmsgreply genlmsgreply hands the reply skb to netlink, and netlinkunicast consumes it on all return paths, whether the skb is queued successfully or freed on an error path...

CVE-2026-43481

In the Linux kernel, the following vulnerability has been resolved: net-shapers: don't free reply skb after genlmsgreply genlmsgreply hands the reply skb to netlink, and netlinkunicast consumes it on all return paths, whether the skb is queued successfully or freed on an error path...

CVE-2026-43481

In the Linux kernel, the following vulnerability has been resolved: net-shapers: don't free reply skb after genlmsgreply genlmsgreply hands the reply skb to netlink, and netlinkunicast consumes it on all return paths, whether the skb is queued successfully or freed on an error path...

CVE-2026-43481

In the Linux kernel, the following vulnerability has been resolved: net-shapers: don't free reply skb after genlmsgreply genlmsgreply hands the reply skb to netlink, and netlinkunicast consumes it on all return paths, whether the skb is queued successfully or freed on an error path...

CVE-2026-43481

The CVE-2026-43481 issue affects the Linux kernel net-shapers component. The vulnerability arises because, on genlmsg_reply() failure, the reply skb could be freed twice (the code path freed or nlmsg_free(msg) after genlmsg_reply() and in all return paths). The root cause is that netlink_unicast(...

CVE-2026-43481

In the Linux kernel, the following vulnerability has been resolved: net-shapers: don't free reply skb after genlmsgreply genlmsgreply hands the reply skb to netlink, and netlinkunicast consumes it on all return paths, whether the skb is queued successfully or freed on an error path...

CVE-2026-43481 net-shapers: don't free reply skb after genlmsg_reply()

In the Linux kernel, the following vulnerability has been resolved: net-shapers: don't free reply skb after genlmsgreply genlmsgreply hands the reply skb to netlink, and netlinkunicast consumes it on all return paths, whether the skb is queued successfully or freed on an error path...

CVE-2026-43916

pamauthnft is a PAM session module binding nftables firewall rules to authenticated sessions via cgroupv2 inodes. Prior to 0.2.0-alpha, a heap buffer over-read in peerlookuptcp src/peerlookup.c:134, prior to the fix allowed a crafted NETLINKSOCKDIAG reply to slip past the message-size check, then...

CVE-2026-43916

pamauthnft is a PAM session module binding nftables firewall rules to authenticated sessions via cgroupv2 inodes. Prior to 0.2.0-alpha, a heap buffer over-read in peerlookuptcp src/peerlookup.c:134, prior to the fix allowed a crafted NETLINKSOCKDIAG reply to slip past the message-size check, then...

CVE-2026-43916 pam_authnft: Heap buffer overflow in NETLINK_SOCK_DIAG reply walker

pamauthnft is a PAM session module binding nftables firewall rules to authenticated sessions via cgroupv2 inodes. Prior to 0.2.0-alpha, a heap buffer over-read in peerlookuptcp src/peerlookup.c:134, prior to the fix allowed a crafted NETLINKSOCKDIAG reply to slip past the message-size check, then...

CVE-2026-43916 pam_authnft: Heap buffer overflow in NETLINK_SOCK_DIAG reply walker

pamauthnft is a PAM session module binding nftables firewall rules to authenticated sessions via cgroupv2 inodes. Prior to 0.2.0-alpha, a heap buffer over-read in peerlookuptcp src/peerlookup.c:134, prior to the fix allowed a crafted NETLINKSOCKDIAG reply to slip past the message-size check, then...

CVE-2026-43916

Summary: pam_authnft is affected by a heap buffer over-read in peer_lookup_tcp (src/peer_lookup.c:134) that could allow a crafted NETLINK_SOCK_DIAG reply to bypass the message-size check and dereference past the end of the allocation. This vulnerability exists prior to version 0.2.0-alpha and is ...